{"period": "2025-09 ~ 2026-06", "monthly": [{"month": "2025-09", "total": 11}, {"month": "2025-10", "total": 271}, {"month": "2025-11", "total": 319}, {"month": "2025-12", "total": 417}, {"month": "2026-01", "total": 353}, {"month": "2026-02", "total": 191}, {"month": "2026-03", "total": 392}, {"month": "2026-04", "total": 411}, {"month": "2026-05", "total": 307}, {"month": "2026-06", "total": 267}], "total_activities": 2939, "note": "按活动创建时间统计（飞书活动导出）"}